Peugeot 207 Diesel Particulate Filter DPF

The DPF on the Peugeot 207 1.6 HDi is a key component of the exhaust system, located just after the first catalytic converter. It is a ceramic cylindrical filter with a porous honeycomb structure designed to trap fine diesel particles down to 0.1 micron, reducing exhaust pollution in compliance with European anti-pollution standards.

The DPF operates in phases:

• Loading phase: Exhaust gases pass through the filter, depositing soot on the porous walls.
• Monitoring: Sensors measure pressure differences before and after the DPF to estimate soot accumulation.
• Regeneration: When soot buildup reaches a threshold (usually after 350–800 km), the engine management system triggers regeneration by raising exhaust gas temperatures to around 570°C, burning off soot.

This includes passive regeneration during long, fast drives and active regeneration with fuel post-injection and engine adjustments.

The Peugeot 207 1.6 HDi uses a first-generation DPF additive called Cérine, stored in a reservoir and injected by the engine computer. It lowers the combustion temperature threshold of soot, helping efficient regeneration at lower temperatures. The additive level is monitored to avoid clogging and ensure optimal DPF operation.

Frequent short trips and urban driving can prevent proper regeneration, causing DPF clogging. Symptoms include:

• DPF warning light on the dashboard
• Reduced engine power and degraded driving mode
• Strong exhaust odor
• Increased exhaust backpressure affecting engine performance

If clogging worsens, the vehicle may enter limp mode with speed and performance limitations.

Prevention and management tips include:

• Regular highway driving to allow passive DPF regeneration
• Use of diagnostic tools to perform forced regeneration if needed
• Monitoring DPF and additive levels
• Avoiding excessive short trips and stop-start driving

Following these recommendations helps maintain engine performance and extend DPF life.

If clogging is significant, solutions include:

• Forced regeneration using a diagnostic tool, involving engine idling and high RPM post-injections
• Professional cleaning of the DPF to restore soot filtration, improve engine power, reduce fuel consumption by 10-15%, and extend life of associated components (turbo, EGR, valves)
• Replacement of the DPF additive pouch when needed
• Replacing the DPF if it is irrecoverably clogged

Early attention to these issues prevents engine damage and costly repairs.

The DPF warning light alerts the driver to potential clogging or malfunction. Important points:

• Orange light signals require attention but often allow the vehicle to continue driving temporarily
• Red DPF warning light usually indicates serious problems and could be a fail in technical inspection
• Diagnostic tools can read error codes and trigger regeneration or reset DPF status
• Ignoring warnings can lead to limp mode, engine stalls, or damage

It is advised to consult a professional for proper diagnostic and maintenance without delay when the light appears.

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• 100% European manufacturing and compliance with strict European emission standards (E24-103R certified)
• Constructed with durable INOX 409 stainless steel and high-quality ceramic monoliths with rare metals coating
• 3-year warranty covering up to 100,000 km under proper use and installation conditions
• Direct factory supply ensuring expert support, technical documentation, and fast delivery

Choosing quality original parts helps maintain vehicle engine performance, reduce pollution, and extend system life.

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